NDLI: Structure and Biological Behaviors of Some Metallo Cationic Surfactants

Content Provider	Springer Nature Link
Author	Adawy, Ahmed I. Khowdiary, Mnal M.
Copyright Year	2013
Abstract	In this study, different cationic surfactants were prepared by esterification with bromoacetic acid of different fatty alcohols, i.e., dodecyl, tetradecyl and hexadecyl species. The products were then reacted with diphenyl amine, and the resulting tertiary amines were quaternized with benzyl chloride to produce a series of quaternary ammonium salts. The metallocationic surfactants were prepared by complexing the cationic surfactants with nickel and copper chlorides. Surface tension of these surfactants were investigated at different temperatures. The surface parameters including critical micelle concentration (CMC), maximum surface excess (Γ $_{max}$), minimum surface area (A $_{min}$), efficiency (PC$_{20}$) and effectiveness (π $_{CMC}$) were studied. The thermodynamic parameters such as the free energy of micellization ( $$Δ G_{\text{mic}}^{^\circ }$$ ) and adsorption ( $$Δ G_{\text{ads}}^{^\circ }$$ ), enthalpy ( $$Δ H_{\text{m}}^{^\circ }$$ ), ( $$Δ H_{\text{ads}}^{^\circ }$$ ) and entropy ( $$Δ S_{\text{m}}^{^\circ }$$ ), ( $$Δ S_{\text{ads}}^{^\circ }$$ ) were calculated. FTIR spectra and $^{1}$H-NMR spectra were obtained to confirm the compound structures and purity. In addition, the antimicrobial activities were determined via the inhibition zone diameter of the prepared compounds, which were measured against six strains of a representative group of microorganisms. The results indicate that these metallocationic surfactants exhibit good surface properties and good biological activity on a broad spectrum of microorganisms.
Starting Page	709
Ending Page	715
Page Count	7
File Format	PDF
ISSN	10973958
Journal	Journal of Surfactants and Detergents
Volume Number	16
Issue Number	5
e-ISSN	15589293
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-04-27
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cationic surfactants Surface parameters Biological activity Industrial Chemistry/Chemical Engineering Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Surfaces and Interfaces, Thin Films Polymer Sciences Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Physical and Theoretical Chemistry Chemical Engineering

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